Jane Shapton suggests sandwiching these thin, crisp oatmeal cookies around chocolate or peppermint frozen yogurt; we thought they were excellent filled with a chocolate-mint ganache. The filling is easiest to spread when slightly warm. If making it up to 3 days ahead, cover and chill, then stir gently in a bowl set over a pan of barely simmering water to rewarm. Fill cookies the day you serve them.

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Makes about 3 dozen sandwiches


Ingredient Checklist


Instructions Checklist
  • In a 2- to 3-quart pan over medium heat, stir 1/2 cup butter and the brown sugar frequently until butter is melted and mixture is smooth, about 3 minutes.

  • Meanwhile, in a large bowl, mix oats, flour, baking powder, and salt. Add butter mixture; stir until well blended.

  • Add egg and vanilla to oat mixture and stir until well blended.

  • Drop dough in 1-teaspoon portions about 2 inches apart onto cooking parchment-lined or buttered and floured 12- by 15-inch baking sheets.

  • Bake cookies in a 350° regular or convection oven until browned, 8 to 10 minutes; if baking two sheets at once in one oven, switch their positions halfway through baking. Let cookies cool on sheets for 5 minutes, then use a wide spatula to transfer to racks to cool completely.

  • Spread the bottom of each of half the cookies with about 1 tablespoon Chocolate-Mint Ganache. Top each with a second cookie, bottom toward filling, and press gently to squeeze filling to edges of sandwich.

  • Chocolate-Mint Ganache. In a heatproof bowl set over (but not touching) barely simmering water in a pan, occasionally stir 3 cups chopped semisweet chocolate (18 oz.) and 1/4 cup whipping cream until chocolate is melted and mixture is smooth. Remove from heat and stir in 3/4 teaspoon peppermint extract. Let cool until thick but not firm, about 15 minutes, and use immediately (see note).

  • Nutritional analysis per sandwich.

Nutrition Facts

130 calories; calories from fat 53%; protein 1.4g; fat 7.7g; saturated fat 4.5g; carbohydrates 16g; fiber 1.2g; sodium 61mg; cholesterol 15mg.